20326394 has 16 divisors (see below), whose sum is σ = 34161696. Its totient is φ = 8989200.

The previous prime is 20326381. The next prime is 20326433. The reversal of 20326394 is 49362302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11672 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (2135106).

Almost surely, 2^20326394 is an apocalyptic number.

20326394 is a deficient number, since it is larger than the sum of its proper divisors (13835302).

20326394 is a wasteful number, since it uses less digits than its factorization.

20326394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25021.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 20326394 is about 4508.4802317411. The cubic root of 20326394 is about 272.9104171001.

Adding to 20326394 its reverse (49362302), we get a palindrome (69688696).

The spelling of 20326394 in words is "twenty million, three hundred twenty-six thousand, three hundred ninety-four".